Conejo Formation

Conejo Formation
Stratigraphic range: Turonian-Santonian
~90–83.6 Ma
TypeGeological formation
Unit ofVilleta Group
UnderliesGuadalupe Group
OverliesLa Frontera Formation
Thicknessup to 1,022 m (3,353 ft)
Lithology
PrimarySandstone, shale
OtherLimestone
Location
Coordinates5°35′40.7″N 73°12′59.6″W / 5.594639°N 73.216556°W / 5.594639; -73.216556
RegionAltiplano Cundiboyacense
Eastern Ranges, Andes
Country Colombia
Type section
Named forEl Conejo Hill
Named byRenzoni
LocationToca, Boyacá
Year defined1981
Coordinates5°35′40.7″N 73°12′59.6″W / 5.594639°N 73.216556°W / 5.594639; -73.216556
RegionCundinamarca, Boyacá
Country Colombia

Paleogeography of Northern South America
90 Ma, by Ron Blakey

The Conejo Formation (Spanish: Formación Conejo, K2C, Kscn) is a fossiliferous geological formation of the Altiplano Cundiboyacense, Eastern Ranges of the Colombian Andes. The uppermost unit of the Villeta Group, a sequence of shales and sandstones dates to the Late Cretaceous period; Turonian, Coniacian and Santonian epochs, and has a maximum thickness of 1,022 metres (3,353 ft).